/*
* Polygon.java
* Copyright (C) 2003
*
* $Id: Polygon.java,v 1.1 2005/01/09 22:34:21 cawe Exp $
*/
/*
Copyright (C) 1997-2001 Id Software, Inc.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
using System;
using glpoly_t = Suake2.UI.render.glpoly_t;
namespace Suake2.UI.render.jogl
{
	
	/// <summary> Polygon
	/// 
	/// </summary>
	/// <author>  cwei
	/// </author>
	public sealed class Polygon:glpoly_t
	{
		
		private const int MAXPOLYS = 20000;
		private const int MAX_BUFFER_VERTICES = 120000;
		
		private static float[] buffer = new float[MAX_BUFFER_VERTICES * STRIDE];
		private static int bufferIndex = 0;
		private static int polyCount = 0;
		private static Polygon[] polyCache = new Polygon[MAXPOLYS];
		
		public static glpoly_t create(int numverts)
		{
			Polygon poly = polyCache[polyCount++];
			poly.clear();
			poly.numverts = numverts;
			poly.pos = bufferIndex;
			bufferIndex += numverts;
			return poly;
		}
		
		public static void  reset()
		{
			polyCount = 0;
			bufferIndex = 0;
		}
		
		private Polygon()
		{
		}
		
		private void  clear()
		{
			next = null;
			chain = null;
			numverts = 0;
			flags = 0;
		}
		
		public override float x(int index)
		{
			return buffer[(index + pos) * 7 + 0];
		}
		
		public override void  x(int index, float value_Renamed)
		{
			buffer[(index + pos) * 7 + 0] = value_Renamed;
		}
		
		public override float y(int index)
		{
			return buffer[(index + pos) * 7 + 1];
		}
		
		public override void  y(int index, float value_Renamed)
		{
			buffer[(index + pos) * 7 + 1] = value_Renamed;
		}
		
		public override float z(int index)
		{
			return buffer[(index + pos) * 7 + 2];
		}
		
		public override void  z(int index, float value_Renamed)
		{
			buffer[(index + pos) * 7 + 2] = value_Renamed;
		}
		
		public override float s1(int index)
		{
			return buffer[(index + pos) * 7 + 3];
		}
		
		public override void  s1(int index, float value_Renamed)
		{
			buffer[(index + pos) * 7 + 3] = value_Renamed;
		}
		
		public override float t1(int index)
		{
			return buffer[(index + pos) * 7 + 4];
		}
		
		public override void  t1(int index, float value_Renamed)
		{
			buffer[(index + pos) * 7 + 4] = value_Renamed;
		}
		
		public override float s2(int index)
		{
			return buffer[(index + pos) * 7 + 5];
		}
		
		public override void  s2(int index, float value_Renamed)
		{
			buffer[(index + pos) * 7 + 5] = value_Renamed;
		}
		
		public override float t2(int index)
		{
			return buffer[(index + pos) * 7 + 6];
		}
		
		public override void  t2(int index, float value_Renamed)
		{
			buffer[(index + pos) * 7 + 6] = value_Renamed;
		}
		
		public override void  beginScrolling(float value_Renamed)
		{
			// not in use
		}
		
		public override void  endScrolling()
		{
			// not in use
		}
		static Polygon()
		{
			{
				for (int i = 0; i < polyCache.Length; i++)
				{
					polyCache[i] = new Polygon();
				}
			}
		}
	}
}